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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2023 Renesas Electronics Corp.
*/
#ifndef __ASM_DMA_NONCOHERENT_H
#define __ASM_DMA_NONCOHERENT_H
#include <linux/dma-direct.h>
/*
* struct riscv_nonstd_cache_ops - Structure for non-standard CMO function pointers
*
* @wback: Function pointer for cache writeback
* @inv: Function pointer for invalidating cache
* @wback_inv: Function pointer for flushing the cache (writeback + invalidating)
*/
struct riscv_nonstd_cache_ops {
void (*wback)(phys_addr_t paddr, size_t size);
void (*inv)(phys_addr_t paddr, size_t size);
void (*wback_inv)(phys_addr_t paddr, size_t size);
};
extern struct riscv_nonstd_cache_ops noncoherent_cache_ops;
void riscv_noncoherent_register_cache_ops(const struct riscv_nonstd_cache_ops *ops);
#endif /* __ASM_DMA_NONCOHERENT_H */
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